97719628 has 12 divisors (see below), whose sum is σ = 171170272. Its totient is φ = 48813840.

The previous prime is 97719613. The next prime is 97719631. The reversal of 97719628 is 82691779.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6468 + ... + 15403.

Almost surely, 2^97719628 is an apocalyptic number.

It is an amenable number.

97719628 is a deficient number, since it is larger than the sum of its proper divisors (73450644).

97719628 is a wasteful number, since it uses less digits than its factorization.

97719628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22992 (or 22990 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The square root of 97719628 is about 9885.3238692518. The cubic root of 97719628 is about 460.6035367141.

The spelling of 97719628 in words is "ninety-seven million, seven hundred nineteen thousand, six hundred twenty-eight".